CN217441614U - Steam pocket blowdown water heat optimizing system - Google Patents
Steam pocket blowdown water heat optimizing system Download PDFInfo
- Publication number
- CN217441614U CN217441614U CN202221386068.4U CN202221386068U CN217441614U CN 217441614 U CN217441614 U CN 217441614U CN 202221386068 U CN202221386068 U CN 202221386068U CN 217441614 U CN217441614 U CN 217441614U
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- CN
- China
- Prior art keywords
- pipeline
- blowdown
- water
- tank
- sewage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000010865 sewage Substances 0.000 claims abstract description 70
- 238000005086 pumping Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a steam pocket blowdown water heat optimizing system, including the steam pocket, the steam pocket bottom is equipped with the blowdown pipeline, be equipped with the blowoff valve on the blowdown pipeline, be equipped with the blowdown water pump of taking out sewage to circulating water field hot water pool on the blowdown pipeline, the steam pocket lateral part is connected to the flash tank through a pipeline, flash tank bottom is connected to the blowdown water return tank through flash tank outlet pipe way, blowdown water return tank lateral part is equipped with the circulation pipeline, be equipped with the heat exchanger on the circulation pipeline, blowdown water return tank bottom is equipped with pipeline and blowdown pipeline intercommunication. The utility model has the advantages of recycling the heat of the steam pocket sewage, reducing energy consumption, low production cost, etc.
Description
Technical Field
The utility model relates to a boiler technical field specifically is a steam pocket blow off water heat optimizing system.
Background
The temperature of discharged sewage of the steam drum of the device is 216 ℃, in the prior art, the treatment process comprises the steps of directly discharging the sewage into a circulating water plant, mixing the sewage with hot water return water of the circulating water field, cooling the mixed sewage in a cooling water tower of the circulating water field, and recycling the cooled sewage, wherein the hot water temperature of the discharged sewage is high, the temperature of the hot water return water of the circulating water field rises after mixing, and finally the load of the cooling water tower is increased and the power consumption is increased. Under the current environment of energy conservation and carbon reduction, carbon emission reduction is not facilitated.
Disclosure of Invention
The utility model aims at inventing a can recycle steam pocket blow off water heat optimization system of heat.
In order to realize the purpose, the utility model discloses a steam pocket, its structural feature is: the steam drum bottom is equipped with the blowdown pipeline, be equipped with the blowoff valve on the blowdown pipeline, be equipped with the blowdown water pump of taking out sewage to circulating water field hot water pool on the blowdown pipeline, the steam drum lateral part is connected to the flash tank through a pipeline, flash tank bottom is connected to the blowdown water return tank through flash tank outlet pipe way, blowdown water return tank lateral part is equipped with the circulating line, be equipped with the heat exchanger on the circulating line, blowdown water return tank bottom is equipped with pipeline and blowdown pipeline intercommunication.
After the structure is adopted, the blow-down valve of the blow-down pipeline is closed, high-temperature blow-down water cannot directly enter the blow-down pipeline, the high-temperature blow-down water enters the flash tank through the pipeline for cooling, the flash tank cools the blow-down water from 216 ℃ to 150 ℃, the blow-down water is sent into the blow-down water return tank through the branch pipeline at the bottom end of the flash tank, the upper end and the lower end of the side end of the blow-down water return tank are provided with circulating pipelines, the heat of the blow-down water is recycled after the blow-down water enters the circulating pipeline, the high-temperature blow-down water exchanges heat through the heat exchanger, the temperature of the blow-down water is reduced, simultaneously, the temperature of the blow-down water is recycled, the electric load of the cooling tower of the circulating water farm is reduced, the emission of carbon dioxide of an enterprise is reduced, the blow-down water returns to the blow-down water return tank again after being cooled in the circulating pipeline, the blow-down water in the blow-down water return tank is cooled to 20 ℃ through multiple circulation pipelines, the blow-down water is discharged into the blow-down pipeline through the bottom pipeline, the heat of the sewage is recycled, the power load of a cooling water tower of a circulating water field is reduced, the emission of carbon dioxide of an enterprise is reduced, the sewage discharge pipeline is an original pipeline, the device is additionally provided with a flash tank and a sewage return tank and a connecting pipeline between the flash tank and the sewage return tank on the original pipeline, the production cost is reduced, and meanwhile, the device is energy-saving, emission-reducing and environment-friendly.
The flash tank outlet pipe is provided with a tank bottom pump for pumping sewage into the sewage backflow tank, the top end of the flash tank is provided with a flash pipeline, the flash pipeline is provided with a fourth valve, the flash tank outlet pipe is pumped with the sewage in the flash tank by the tank bottom pump and is conveyed into the sewage backflow tank, the pressure in the sewage enters the flash tank is reduced, partial sewage is flashed into steam, the steam is discharged from the flash pipeline on the top end of the flash tank, the flash tank is provided with the fourth valve on the way, the steam pressure and the flow of the flash are controlled by the fourth valve, the sewage is pumped into a sewage circulating pump by the tank bottom pump after the flash tank is cooled, and the cooling is continued.
The lower extreme and the upper end of blowdown water return tank are connected respectively to circulating line, circulating line is equipped with the circulating pump, blowdown water return tank upper end is equipped with the pressure release pipeline, be equipped with the third valve on the pressure release pipeline, the circulating pump is with the blowdown water from blowdown water return tank suction circulating line, and the blowdown water of high temperature has realized the recycle of blowdown water temperature through the heat exchanger heat transfer, has reduced the temperature of blowdown water simultaneously, reduces the cooling tower electric load in circulating water field, reduces the emission of enterprise's carbon dioxide, and the safety is released in the blowdown water return tank has been guaranteed to the third valve on pressure release pipeline and the pressure release pipeline, has guaranteed the security.
The heat tracing pipeline is connected to the heat tracing device and located at the rear end of the circulating pump, the second valve is arranged on the heat tracing pipeline, the second valve is opened in winter, sewage in the sewage circulating pump is pumped into the circulating pipeline through the circulating pump, and part of the sewage in the circulating pipeline enters the heat exchange pipeline and is sent to the heat tracing device to participate in heat tracing, so that the heat of the sewage is further utilized.
To sum up, the utility model has the advantages of recycle steam pocket blow off water heat, reduce energy consumption, low in production cost, etc.
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
As shown in fig. 1, the utility model discloses a steam pocket 1, 1 bottom of steam pocket are equipped with sewage pipes 11 and are connected to circulating water field hot-water tank, are equipped with blowoff valve 21 and sewage pump 12 on the sewage pipes 11 of steam pocket 1, close blowoff valve 21 and make the sewage can not directly arrange to circulating water field hot-water tank through sewage pump 12 from former sewage pipes 11. A branch pipeline 13 is arranged at the side of the steam drum 1 and connected to the flash tank 3, and the branch pipeline 13 is connected with the sewage discharge pipeline 11. High temperature blowdown water is arranged into the flash tank 3 through the branch pipeline 13 of the steam pocket 1 side and the blowdown pipeline 11 of the steam pocket 1 bottom, the top of the flash tank 3 is provided with a steam pipeline, the steam pipeline is provided with a fourth valve 24, the pressure of steam in the flash tank 3 is controlled through the fourth valve 24, and the safety of the device is improved. The temperature of the sewage after flash evaporation is reduced, and 0.3MPa steam is flashed from the top. The internal construction of the flash tank 3 is prior art in the field and will not be described in detail here. The bottom of the flash tank 3 is provided with a flash tank water outlet pipeline 32 connected with the sewage backflow tank 4, the flash tank water outlet pipeline 32 is provided with a tank bottom pump 31, the tank bottom pump 31 pumps out the sewage after flash evaporation in the flash tank 3, and the sewage is pumped into the sewage backflow tank 4 through the flash tank water outlet pipeline 32. After flashing, the temperature of the sewage drops to 150 ℃, and then the sewage is pumped into the sewage backflow tank 4 through the tank bottom pump 31. The side end of the sewage backflow tank 4 is provided with a circulating pipeline 41, the circulating pipeline 41 is connected with the upper end and the lower end of the sewage backflow tank 4, and the circulating pipeline 41 is provided with a circulating pump 42 and a heat exchanger 5. In the present invention, the heat exchanger 5 is a demineralized water-sewage heat exchanger. The sewage flows into the circulating pipeline 41, and is pumped into the demineralized water-sewage heat exchanger through the circulating pump 42, so that the sewage and the demineralized water exchange heat, the temperature of the sewage is reduced, the temperature of the demineralized water is increased by utilizing the temperature of the sewage, and the temperature of the sewage is utilized. A heat tracing pipeline 44 is arranged between the circulating pump 42 and the demineralized water-sewage heat exchanger, the heat tracing pipeline 44 is connected with a device heat tracing flow, a second valve 22 is arranged on the heat tracing pipeline 44, when the second valve 22 is opened, sewage enters the heat tracing pipeline 44 and is conveyed to the device heat tracing flow, and the sewage is cooled to about 20 ℃ and is conveyed to a circulating water field. The top of the sewage backflow tank 4 is provided with a pressure relief pipeline 43, the pressure relief pipeline 43 is provided with a third valve 23, the third valve 23 is opened in emergency, sewage in the sewage backflow tank 4 is discharged, the safety of the sewage backflow tank 4 is guaranteed, and the safety of the device is improved. A pipeline is arranged under the sewage backflow tank 4 and connected with a sewage discharge pipeline 11, and a sewage pump 12 is arranged on the sewage discharge pipeline 11. Necessary valves are arranged on the branch pipeline 13, the flash tank water outlet pipeline 32, the circulating pipeline 41 and the lower end pipeline of the sewage backflow tank 4. Under the condition that blowoff valve 21 was closed, sewage pump 12 is used for taking out the sewage after 4 inner loop cooling of blowdown water backward flow jar, the sewage after taking out, send to the hot-water tank of circulating water factory via the sewage pipes, the sewage reduces the cooling tower power consumption of circulating water field after the cooling, reduce the emission of enterprise's carbon dioxide, the sewage pipes is original pipeline simultaneously, this device adds flash tank and blowdown water backward flow jar and the connecting line between and on original pipeline, production cost is reduced, energy saving and emission reduction simultaneously, the environmental protection.
Claims (4)
1. The utility model provides a steam pocket blowdown water heat optimizing system, includes steam pocket (1), characterized by: the steam pocket (1) bottom is equipped with blowdown pipeline (11), be equipped with blowoff valve (21) on blowdown pipeline (11), be equipped with on blowdown pipeline (11) and take out sewage to the blowdown water pump (12) of circulating water field hot water pond, steam pocket (1) lateral part is connected to flash tank (3) through by-pass line (13), flash tank (3) bottom is connected to blowdown water return tank (4) through flash tank outlet pipe way (32), blowdown water return tank (4) lateral part is equipped with circulation pipeline (41), be equipped with heat exchanger (5) on circulation pipeline (41), blowdown water return tank (4) bottom is equipped with pipeline and blowdown pipeline (11) intercommunication.
2. The system for optimizing the heat of boiler blow-off water of a steam drum as claimed in claim 1, wherein: the device is characterized in that a tank bottom pump (31) for pumping sewage into a sewage backflow tank (4) is arranged on the flash tank water outlet pipeline (32), a flash tank water outlet pipeline (32) is arranged at the top end of the flash tank (3), and a fourth valve (24) is arranged on the flash tank water outlet pipeline (32).
3. The system for optimizing the heat of boiler blow-off water of a steam drum as claimed in claim 1, wherein: the lower extreme and the upper end of blowdown water return tank (4) are connected respectively in circulation pipeline (41), circulation pipeline (41) are equipped with circulating pump (42), blowdown water return tank (4) upper end is equipped with pressure release pipeline (43), be equipped with third valve (23) on pressure release pipeline (43).
4. The system of claim 3 for optimizing drum blowdown water heat, wherein: the heat tracing device is characterized in that the circulating pipeline (41) is connected with a heat tracing pipeline (44) connected to a heat tracing device, the heat tracing pipeline (44) is located at the rear end of the circulating pump (42), and a second valve (22) is arranged on the heat tracing pipeline (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221386068.4U CN217441614U (en) | 2022-06-06 | 2022-06-06 | Steam pocket blowdown water heat optimizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221386068.4U CN217441614U (en) | 2022-06-06 | 2022-06-06 | Steam pocket blowdown water heat optimizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217441614U true CN217441614U (en) | 2022-09-16 |
Family
ID=83223060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221386068.4U Expired - Fee Related CN217441614U (en) | 2022-06-06 | 2022-06-06 | Steam pocket blowdown water heat optimizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217441614U (en) |
-
2022
- 2022-06-06 CN CN202221386068.4U patent/CN217441614U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220916 |